Update src/StackExchange.Redis/ServerEndPoint.cs

Co-authored-by: Philo <[email protected]>

src/StackExchange.Redis/ServerEndPoint.cs

@@ -1094,7 +1094,7 @@ private void SetConfig<T>(ref T field, T value, [CallerMemberName] string? calle
             }
         }
         internal static string ClientInfoSanitize(string? value)
-        {
+        => string.IsNullOrWhiteSpace(value) ? String.Empty : nameSanitizer.Replace(value!.Trim(), "-");
             if (string.IsNullOrWhiteSpace(value)) return "";
             return nameSanitizer.Replace(value!.Trim(), "-");
         }